Предмет: Алгебра, автор: abbu72

при каком значении n будет верно равенство​

Приложения:
mamuravjev6: решение нужно?

Ответы

Автор ответа: remse58
1

Ответ:

1) n=3;

Решение:

1) решение на первом рисунке

2) рисунок 2

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Предмет: Английский язык, автор: TheGamesRock
помогите умоляю 
1.     
We (to go) to school every
day.

2.      You (to help) your father tomorrow?

3.      We (to bring) a lot of berries from the wood. Now we shall make jam.

4.      Look! Jane (to swim) across the river.

5.      What you (to do) at six o’clock yesterday?

6.      You ever (to see) the Pyramids?

7.      I (to go) to the Caucasus two years ago.

8.      When Nick (to come) home yesterday, his mother (to return) and (to cook)
dinner in the kitchen.

9.      You (to go) to the library tomorrow? — No, I already (to be) to the library
this week. I (to be) there on Monday.

10.  Bill … (buy) a new motorcycle five days ago.

11.  Jane’s hair is too short. She probably … (have) a haircut.

12.  As a rule, I (to go) to the library every Wednesday. But yesterday I (not
to go) there, because I (not to read) the book. I (to read) it now

13. 
Yesterday I … (come) home at
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14.  … (you/see) many monuments when you were in London?

15. 
My car isn’t here anymore. Somebody … (steal) it.

16.  When … (you/give up) drinking?

17.  I always (to come) to school at a quarter to nine.

18.  Yesterday I (to come) to school at ten minutes to nine.

19.  Tomorrow Nick (not to go) to the cinema because he (to go) to the cinema
yesterday. He already (to be) to the cinema this week. Look! He (to cry).

20. 
What you (to read) now? — I
(to read) Tom’s book. I (to be) in a hurry. Tom soon (to come), and I (to want)
to finish reading the book.

  

                                                   Вариант 2 тоже 

1.     
Mike (to eat) ice-cream every
day. Look, he (to eat) ice-cream now. When I (to see) him in the morning, he
(to eat) ice-cream, too.

2.     
He (to say) he (to eat) one
ice-cream already by that time.

3.     
They (to walk) along the
street and (to talk). Suddenly Nick (to stop) and (to say): «Oh, what shall we
do? I (to lose) the key to the door.»

4.     
 I (to give) you this book as soon as I (to
finish) reading it.

5.     
You ever (to be) to the
Hermitage?

6.     
He (to tell) me that he
already (to write) his composition.

7.     
Why she (to sleep) now? It (to
be) too early. She never (to sleep) at this time.

8.      You (to go) for a walk with me? — I (to be) sorry, I can’t.

9.     
I (to do) my homework. I (not
yet to write) the English exercise.

10. 
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because I (not to go) for a walk yesterday.

11.  Don’t go to Nick’s place now, he (to work). He (to finish) his homework at
seven o’clock.

12. 
You (to go) to Great Britain
next year?

13. 
Pete (to go) to the cinema? —
Yes, I (to think) so.

14. 
He usually (to play) in the
yard at this time, and now he (not to be) there.

15. 
Where you usually (to take)
books for reading?

16. 
He (to come) home by six
o’clock yesterday.

17. 
This little boy never (to see)
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18. 
What you (to learn) for today?
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19. 
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20. 
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